PRXB Exhaust Brake Kit – C40110 – Direct Mount 4 Inch Exhaust (Brake Only)

• Provides 50 percent More Braking Power at Lower RPM's. PRXB gives you the best holdback in the 1400-1800 RPM range (where you typically drive).
  
  
• The spring controlled pressure regulated mechanism on the exhaust brakes protects against engine overpressure.
  
  
• When the brake is deactivated, exhaust flow is unrestricted and won't interfere with power output.
  
  
• Patented 90 degree Non-contacting Butterfly Valve is specially engineered to maximise backpressure while preventing seizing.
  
  
• The brakes use industry exclusive Arcor nitride coating on housing and components which increases resistance to wear and corrosion while strengthening the exhaust brake and adding lubricity.

Pacbrake's Direct Mount 4 inch PRXB High Performance Exhaust Brake Only for Dodge RAM 2003-2004 Cummins 5.9L ISB 24 Valve Engine with Standard and 47RE / 48RE Automatic Transmission. Upgrade.

For Standard Transmission:

• Switch: Optional Part Number C18042 
• ECM Bypass: Optional  Part Number C14037

For Automatic Transmission:

• Transmission Controller: Not Included

UPGRADE – Replaces Fixed Orifice Exhaust Brake

  * NOTE:  All 1994-2002 trucks using a DirectMount kit that have 4" aftermarket exhaust systems require an additional adapter – C11342
 ** NOTE:  For vehicle’s in which the factory HX / HY35 turbo charger has been changed to an aftermarket turbo charger, use only an inline kit. 
     A mounting group must also be purchased with the kit. Exhaust Size: 4" – C11400, 3.5" – C11420, 3" – C11440

 NOTE:  All above DirectMount 2003-2007 kits will NOT work with Banks Turbo Back Monster® Exhaust. However, they will work with Banks Cat Back Monster® Exhaust. 
Applications for aftermarket turbo chargers, please contact S&M Diesel for further kit information: 1-403-356-0225